Answer:
They wanted to punish the South, and to prevent the ruling class from continuing in power. They passed the Military Reconstruction Acts of 1867, which divided the South into five military districts and outlined how the new governments would be designed.
The political promise that made Mussolini and his Fascist Party popular in the 1920s was that he promised that he would restore order in the country. The correct answer is D.
The main way in which popular sovereignty applied to federalism is that it allowed settlers of new land to determine whether this new territory would be "slave" or "free", meaning that the states a large amount of power as well as the federal government.